Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Which Travels Faster? Solve below famous picture riddle:

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Using eight eights and addition only, can you make 1000?

If 21x = 79x, what is the value of x?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?